Chemistry 5070/12 — October/November 2017
Cambridge O-Level · Multiple Choice · answer key with instant marking and worked solutions
40
questions
40
marks
60
minutes
Topics Organic Chemistry · Stoichiometry · Atoms, Elements and Compounds · Chemical Reactions · The Periodic Table · Metals · +6 more
Tap an option under each question to check it — your score builds as you go.
Q11MExperimental Techniques and Chemical AnalysisFree sample
A mixture of sand and sodium chloride can be separated in three steps.
Step 1 is to add water to the mixture.
The diagram shows step 2 and step 3.
Where is pure sodium chloride collected?
Options
A A
B B
C C
D D
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